[esp-r] Re: Concrete partition wall

[Jon Hand]

If the partition is WITHIN a thermal zone:
There is a facility in the zone geometry menu of the Project Manager which
allows you to create internal mass within a zone via back-to-back surfaces.

If the internal partition is not rectangular do the following: create the initial
surface and then use the copy-and-invert facility in the zone surface list
to create the reversed other side.

The two polygons will have the correct edge ordering. They should have
a composition of 100mm concrete. The boundary condition for each is
the 'other' surface and there will be two 'faces' associated with the zone
for convection and shortwave & long-wave radiation.  If one side gets
hot from sunshine the other surface will pick up that heat via conduction.

There are examples of these approaches in the exemplars.

If the partition is between two zones you have the option of having
a 100mm gap between the two thermal zones and the two relevant surfaces
should have the other as a boundary condition.  Some users choose to have
no geometric separation between thermal zones - as long as the boundary
conditions have been set correctly ESP-r will simulate it correctly. There are examples
of slightly-offset-zones as well as non-offset-zones in the exemplars.

Regards, Jon Hand

________________________________________
From: esp-r-bounces at lists.strath.ac.uk [esp-r-bounces at lists.strath.ac.uk] on behalf of Paul [paulnee at xplornet.com]
Sent: 31 May 2018 17:51
To: esp-r
Subject: [esp-r]  Concrete partition wall

I would like to make a two faced concrete partition wall 100mm thick. To
do this do I make a counterclockwise 50mm wall and another clockwise
50mm offset by 100mm?

Thanks,

Paul


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